
kuis
Authored by ARILIA NDRURU
Mathematics
9th Grade
Used 3+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
1.Bentuk umum persamaan kuadrat adalah..
1.Bentuk umum persamaan kuadrat adalah..
a. ax + b = 0
b. ax² + bx + c = 0
c. ax³ + bx² + cx + d = 0
d. ax + by + c = 0
2.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
2.Nilai diskriminan (D) dari persamaan kuadrat ax² + bx + c = 0 adalah...
2.Nilai diskriminan (D) dari persamaan kuadrat ax² + bx + c = 0 adalah...
a. b² - 4ac
b. b² + 4ac
c. 4ac - b²
d. a² - 4bc
3.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
3.Akar-akar persamaan kuadrat x² - 5x + 6 = 0 adalah...
3.Akar-akar persamaan kuadrat x² - 5x + 6 = 0 adalah...
a. -2 dan 3
b. 2 dan -3
c. -2 dan -3
d. 2 dan 3
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
4,Jumlah akar-akar persamaan kuadrat 2x² + 4x - 6 = 0 adalah...
a. 2
b. -2
c. 3
d. -3
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
5.Luas suatu persegi panjang adalah 48 cm². Jika panjangnya 4 cm lebih dari lebarnya, maka persamaan kuadrat yang menyatakan lebar persegi panjang tersebut adalah...
a. x² - 4x + 48 = 0
b. x² + 4x + 48 = 0
c. x² - 4x - 48 = 0
d.x² + 4x - 48 = 0
6.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
6.Persamaan kuadrat yang akar-akarnya 3 dan -5 adalah...
a. x² + 2x - 15 = 0
b. x² - 2x - 15 = 0
c. x² + 2x + 15 = 0
d. x² - 2x + 15 = 0
7.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
7.Nilai diskriminan (D) dari persamaan kuadrat 2x² + 4x - 3 = 0 adalah...
a. 4
b. 16
c. 28
d. 32
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